Multi Prefix 2.18.3

• Fix compatibility with add-ons using the standard XenForo prefix selector

• Improve Prefix Essentials add-on integration, now multiple prefixes are counted properly in forum prefix list

• Fix compatibility with Tag Essentials v2.0.0

• Fix case where non-minified select2 is used
• Fix 404 due to incorrect select2 reference

• Support Prefix Essentials ignore prefix feature when a thread has multiple prefixes
• Update single prefix selection to be near identical to multi-prefix selection in behaviour
• Fix "Indirect modification of overloaded property SV\MultiPrefix\XF\Entity\Forum::$sv_default_prefix_ids has no effect" when editing a forum

• Fix error upgrading from pre-v1.6.0 XF versions

• Update installer to use shared library code
• Migrate core of multi-prefix filtering code from bespoke to shared library code

• Rework clickable prefix feature to be opt-in. (new prefix rendering type 'html-clicky')
  • Fixes new posts widget titles not being clickable.
  • Fixes for 3rd party add-ons displaying prefixes

• Clickable prefixes in thread title when viewing a thread (or resource)

• Properly extend client-side phrase list, allowing translations to reliably work